FCC ID OYR-CFXR181
WiFi Extender
by Shenzhen Four Seas Global Link Network Technology Co., Ltd
Grantee Code: OYR Product Code: CFXR181
Latest application date: 2025-08-04
FCC ID Device Details
| FCC ID | OYR-CFXR181 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | OYR |
| Product Code | CFXR181 |
| Applicant Business | Shenzhen Four Seas Global Link Network Technology Co., Ltd 🇨🇳 |
| Related Domains |  comfast.com |
| Equipment Class | WiFi Extender |
| Test Firm | Shenzhen CTB Testing Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2025-08-04 |
| 5180-5240 MHz | Original Equipment | 2025-08-04 |
| 2412-2462 MHz | Original Equipment | 2025-04-07 |
| 5180-5240 MHz | Original Equipment | 2025-04-07 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2026-02-01 | PDF 5 MB |
| User manual | Users Manual | 2025-04-07 | PDF 1.9 MB |
| Internal Photos | Internal Photos | 2026-02-01 | PDF 597.7 KB |
| Internal photos | Internal Photos | 2025-04-07 | PDF 1.7 MB |
| External Photos | External Photos | 2025-08-04 | PDF 493.5 KB |
| External photos | External Photos | 2025-04-07 | PDF 1.6 MB |
| ID Label/Location Info | ID Label/Location Info | 2025-08-04 | PDF 262.1 KB |
| Label and label location | ID Label/Location Info | 2025-04-07 | PDF 466.9 KB |
| Test Setup Photos | Test Setup Photos | 2025-08-04 | PDF 340.8 KB |
| Test setup photos | Test Setup Photos | 2025-04-07 | PDF 645.1 KB |
| ANT Test Report | Test Report | 2025-08-04 | PDF 958.3 KB |
| Test Report | Test Report | 2025-08-04 | PDF 3.2 MB |
| Test Report 1 | Test Report | 2025-08-04 | PDF 3.8 MB |
| Test Report 2 | Test Report | 2025-08-04 | PDF 3.1 MB |
| Antenna information | Test Report | 2025-04-07 | PDF 647 KB |
| Appendix A test data 2G4WLAN part 1 | Test Report | 2025-04-07 | PDF 4.6 MB |
| Appendix A test data 2G4WLAN part 2 | Test Report | 2025-04-07 | PDF 4 MB |
| Appendix B test data 5GWLAN band 1 part 1 | Test Report | 2025-04-07 | PDF 4.4 MB |
| Appendix B test data 5GWLAN band 1 part 2 | Test Report | 2025-04-07 | PDF 4.7 MB |
| Appendix C test data 5GWLAN band 2A part 1 | Test Report | 2025-04-07 | PDF 3.9 MB |
| Appendix C test data 5GWLAN band 2A part 2 | Test Report | 2025-04-07 | PDF 4.6 MB |
| Appendix D test data 5GWLAN band 2C part 1 | Test Report | 2025-04-07 | PDF 4.9 MB |
| Appendix D test data 5GWLAN band 2C part 2 | Test Report | 2025-04-07 | PDF 5.6 MB |
| Appendix E test data 5GWLAN band 3 part 1 | Test Report | 2025-04-07 | PDF 4.4 MB |
| Appendix E test data 5GWLAN band 3 part 2 | Test Report | 2025-04-07 | PDF 4.8 MB |
| Test Report 2G4WLAN | Test Report | 2025-04-07 | PDF 2.6 MB |
| Test Report 5GWLAN band 1 | Test Report | 2025-04-07 | PDF 2.9 MB |
| Test Report 5GWLAN band 2 | Test Report | 2025-04-07 | PDF 2.9 MB |
| Test Report 5GWLAN band 3 | Test Report | 2025-04-07 | PDF 2.9 MB |
| Test Report DFS part 1 | Test Report | 2025-04-07 | PDF 5.5 MB |
| Test Report DFS part 2 | Test Report | 2025-04-07 | PDF 4.5 MB |
| Test Report DFS part 3 | Test Report | 2025-04-07 | PDF 5.5 MB |
| 63 Compliance proof covered list | Attestation Statements | 2025-08-04 | PDF 416.8 KB |
| Attestation Statements | Attestation Statements | 2025-08-04 | PDF 123.2 KB |
| US agent | Attestation Statements | 2025-08-04 | PDF 322.6 KB |
| Agent attestation letter | Attestation Statements | 2025-04-07 | PDF 529.1 KB |
| Covered equipment letter | Attestation Statements | 2025-04-07 | PDF 187.9 KB |
| Due digilence letter | Attestation Statements | 2025-04-07 | PDF 188.5 KB |
| Due digilence letter | Attestation Statements | 2025-04-07 | PDF 1.6 MB |
| Agent Authorization | Cover Letter(s) | 2025-08-04 | PDF 49.1 KB |
| Long & short term Confidentiality Letter | Cover Letter(s) | 2025-08-04 | PDF 141.4 KB |
| Model Difference | Cover Letter(s) | 2025-08-04 | PDF 182.6 KB |
| Confidentiality request letter | Cover Letter(s) | 2025-04-07 | PDF 171.4 KB |
| Letter of declaration disable channel 12 and 13 by software | Cover Letter(s) | 2025-04-07 | PDF 137 KB |
| Letter of declaration model difference | Cover Letter(s) | 2025-04-07 | PDF 129.8 KB |
| RF Exposure Info | RF Exposure Info | 2025-08-04 | PDF 318.7 KB |
| RF exposure evaluation | RF Exposure Info | 2025-04-07 | PDF 2 MB |
| Block Diagram Metadata only | Block Diagram | PDF 273.4 KB | |
| Block diagram Metadata only | Block Diagram | PDF 87.7 KB | |
| Schematic Metadata only | Schematics | PDF 382.9 KB | |
| Schematics Metadata only | Schematics | PDF 387.2 KB | |
| Letter of declaration unii device Metadata only | Operational Description | PDF 262.3 KB | |
| Letter of declaration unii device software configuration control Metadata only | Operational Description | PDF 83.7 KB | |
| Letter of declaration unii device software security requirements Metadata only | Operational Description | PDF 171.6 KB | |
| Operation description Metadata only | Operational Description | PDF 192.4 KB | |
| Operational Description Metadata only | Operational Description | PDF 92.4 KB | |
| Software Security Metadata only | SDR Software/Security Info. | PDF 282.6 KB |
Application Information
| Application ID | IX7c+yjj3EhBBlbdvsQpCA== |
|---|---|
| Final Action Date | 2025-08-04 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0021937024 |
| Model | CFXR181 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | WiFi Extender |
| Responsible Party | Raymond Wang, General Manager, WRH@comfast.com , 86-0755-86-83790059 |
| Technical Contact | Raymond Wang, Shenzhen Four Seas Global Link Network Technolog, WRH@comfast.com , 13538214502 |
| Test Firm | Rita Xiao, Shenzhen CTB Testing Technology Co., Ltd., simon@ctb-lab.com  , 86-13538218145 |
| TCB Email | tcb@metlabs.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 02/01/2026 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Output power listed is conducted. The device supports 20MHz and 40MHz bandwidths. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter device. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| IX7c+yjj3EhBBlbdvsQpCA== | 2025-08-04 | Original Equipment |
| 2XN3Q/ZmdEpl2DPUeHAW8g== | 2025-08-04 | Original Equipment |
| qdBwJGUO/SUHNZ3oUSYgsA== | 2025-04-07 | Original Equipment |
| UcstsJYAY4jIvxKdclHZHA== | 2025-04-07 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application UcstsJYAY4jIvxKdclHZHA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 04/07/2025 Application Dated: 04/07/2025 |
| Shenzhen Four Seas Global Link Network Technology Co., Ltd |
| 9/F, Block H, South China Digital Valley, |
| No.1 South China Road, Longhua District, |
| Shenzhen, China |
| Attention: Raymond Wang , General Manager |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | OYR-CF-XR181 |
| Name of Grantee: | Shenzhen Four Seas Global Link Network Technology Co., Ltd |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | WiFi Extender |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15E | 5180.0 - 5240.0 | 0.1683 | ||
| CC MO ND | 15E | 5260.0 - 5320.0 | 0.0948 | ||
| CC MO ND | 15E | 5500.0 - 5700.0 | 0.0966 | ||
| CC MO | 15E | 5745.0 - 5825.0 | 0.1528 |
| Power listed is maximum average conducted output power. This device supports 20 MHz, 40 MHz and 80 MHz bandwidth modes as described in this filing. The product must be installed such that its antenna(s) can provide a separation distance of at least 20 cm from all persons and must not transmit simultaneously with any other transmitter, except in accordance with FCC multi-transmitter product procedures or as described in this filing. Device is a master device containing a 2 x 2 Spatial Multiplexing MIMO configuration as described in this filing. The device also contains 2.4 GHz WLAN transmitters. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| MO: | This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing. |
| ND: | This UNII device complies with the Transmit Power Control (TPC) and Dynamic Frequency Selection (DFS) requirements in Section 15.407(h). |
TCB Grant - Application qdBwJGUO/SUHNZ3oUSYgsA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 04/07/2025 Application Dated: 04/07/2025 |
| Shenzhen Four Seas Global Link Network Technology Co., Ltd |
| 9/F, Block H, South China Digital Valley, |
| No.1 South China Road, Longhua District, |
| Shenzhen, China |
| Attention: Raymond Wang , General Manager |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | OYR-CF-XR181 |
| Name of Grantee: | Shenzhen Four Seas Global Link Network Technology Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | WiFi Extender |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15C | 2412.0 - 2462.0 | 0.0998 |
| Power listed is maximum peak conducted output power. The device supports both 20 MHz and 40 MHz bandwidth modes as described in this filing. The product must be installed such that its antenna(s) can provide a separation distance of at least 20 cm from all persons and must not transmit simultaneously with any other transmitter, except in accordance with FCC multi-transmitter product procedures or as described in this filing. Device is a master device containing a 2 x 2 Spatial Multiplexing MIMO configuration as described in this filing. The device also contains 5 GHz WLAN transmitters. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| MO: | This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing. |
TCB Grant - Application IX7c+yjj3EhBBlbdvsQpCA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 08/04/2025 Application Dated: 08/04/2025 |
| Shenzhen Four Seas Global Link Network Technology Co., Ltd |
| 9/F, Block H, South China Digital Valley, |
| No.1 South China Road, Longhua District, |
| Shenzhen, China |
| Attention: Raymond Wang , General Manager |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | OYR-CFXR181 |
| Name of Grantee: | Shenzhen Four Seas Global Link Network Technology Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | WiFi Extender |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15C | 2412.0 - 2462.0 | 0.03992 |
| Output power listed is conducted. The device supports 20MHz and 40MHz bandwidths. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter device. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| MO: | This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing. |
TCB Grant - Application 2XN3Q/ZmdEpl2DPUeHAW8g==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 08/04/2025 Application Dated: 08/04/2025 |
| Shenzhen Four Seas Global Link Network Technology Co., Ltd |
| 9/F, Block H, South China Digital Valley, |
| No.1 South China Road, Longhua District, |
| Shenzhen, China |
| Attention: Raymond Wang , General Manager |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | OYR-CFXR181 |
| Name of Grantee: | Shenzhen Four Seas Global Link Network Technology Co., Ltd |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | WiFi Extender |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC MO | 15E | 5180.0 - 5240.0 | 0.04094 | ||
| CC MO | 15E | 5745.0 - 5825.0 | 0.04736 |
| Output power listed is conducted. The device supports 20MHz and 40MHz and 80MHz bandwidths. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter device. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| MO: | This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing. |